feat: add frontend development guidelines and structure documentation

- Introduced API guidelines for interface contracts and request handling.
- Added design tokens usage guidelines for consistent styling across the project.
- Established DTO guidelines for defining request parameters and response data types.
- Created frontend structure guidelines to clarify directory organization and code placement rules.
- Compiled a comprehensive frontend development guideline document covering various aspects of the development process.
- Implemented quality guidelines to ensure code maintainability and adherence to best practices.

AI-RD-Workflow/30-templates/requirement-analysis.md

@@ -0,0 +1,36 @@
+---
+id: RA-yyyymmdd-nnn
+case_id: REQ-yyyymmdd-nnn-short-name
+type: requirement-analysis
+stage: user-requirement
+owner_role: PM
+status: draft
+source_ids:
+  - UR-yyyymmdd-nnn
+derived_ids: []
+skill:
+  name: pm-requirement-refine
+  version: 0.1.0
+created: yyyy-mm-dd
+updated: yyyy-mm-dd
+---
+
+# 需求分析
+
+## 问题拆解
+
+## 用户/业务价值
+
+## 功能需求
+
+## 非功能关注点
+
+## 约束
+
+## 依赖
+
+## 风险
+
+## 决策点
+
+## 待确认问题